Quantcast

Pittsburgh Reference Libraries

Page 1 of about 2 Articles
2012-06-18 04:57:13

Symbol: CRPO11 Group: Dicot Family: Rosaceae Duration: Perennial Growth Habit: Tree Shrub Native Status: L48    N Distribution: CrataegusporrectaAshe distribution:USA(IL, PA) Classification:       Kingdom   Plantae – Plants Subkingdom   Tracheobionta – Vascular plants Superdivision   Spermatophyta – Seed plants...

Tyrannosaurus
2012-03-21 21:47:44

Tyrannosaurus, meaning “tyrant lizard,” was a genus of theropod dinosaur from the Late Cretaceous Period (68 to 65 million years ago). It was among the last non-avian dinosaurs to exist prior to the Cretaceous-Tertiary extinction event. Perhaps the most famous Tyrannosaurus species, T. rex, was named in 1905 by Henry Fairfield Osborn, president of the American Museum of Natural History...

Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
Related